Sash windows

Details Sash windows Sash windows

1991-03-28

1993-02-16

Kannan, Philip C.

Movable or removable closures

Mounted for multidirectional or oblique movement

Initial or terminal movement transverse to sliding movement...

49183, 49209, E05D 1510

Patent

active

051859556

ABSTRACT:
Sash windows of the type having two vertically sliding sashes placed in mutually offset planes for sliding so as to cover each other when opening the window, the sashes being guided in vertical guides (4) cut in a common frame (1), and wherein each sash is equilibrated, i.e. self-retaining, in any position by means of balance springs (5); the sashes being carried by sliding mountings consisting of slide block members (6) having projecting pins (9) engaging elongated oblique guiding grooves in the sash sides, to guide the sash relative to the sliding mountings--and therefore also relative to the pins--so that the sash is subjected to a plane-parallel displacement toward or away from the frame (1), to compress elastomer profiled sealing strips between the sash and the frame or between the middle sections of the sashes to obtain sealing of the window when closed.

REFERENCES:
patent: 1185783 (1916-06-01), Edwards
patent: 1919371 (1933-07-01), Klemm
patent: 1980275 (1934-11-01), Julin
patent: 3660936 (1972-05-01), Bryson
patent: 4114317 (1978-09-01), Crawley
patent: 4704821 (1987-11-01), Berndt

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